Remove both sun visors and counter supports

NOTE: Description is for left component only. Procedure on the right side is identical.

Remove the sun visor and the counter support

Lever out cover (1) downward.
Loosen screws (2) .
Unlock and disconnect sun visor (3) and disconnect the plug connection.

Courtesy of BMW OF NORTH AMERICA, INC.
Lever out locking wedge (1) downward.
With suitable long-nose pliers, push the release tabs (2) together and remove the counter support (3) .
Unlock and disconnect the plug connection on the counter support (3) .

Courtesy of BMW OF NORTH AMERICA, INC.